An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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deflection of light
  واچفت ِ نور  
vâcaft-e nur
Fr.: déflexion de la lumière  

The bending of a light ray under the gravitational effect of a massive body. → deflection angle.

See also: → deflection; → light.